In 1958, Vice President Nixon and his wife, Pat, began a goodwill tour of Latin America that was marred by hostile mobs in Lima, Peru, and Caracas, Venezuela.

In 1967, heavyweight boxing champion Muhammad Ali refused to be inducted into the Army, the same day Gen. William C. Westmoreland told Congress the U.S. “would prevail in Vietnam.”

In 1974, a federal jury in New York acquitted former Attorney General John Mitchell and former Commerce Secretary Maurice H. Stans of charges in connection with a secret $200,000 contribution to President Nixon’s re-election campaign from financier Robert Vesco.

In 1980, President Carter accepted the resignation of Secretary of State Cyrus Vance, who had opposed the failed rescue mission aimed at freeing American hostages in Iran.

In 1988, a flight attendant was killed and 61 persons injured when part of the roof of an Aloha Airlines Boeing 737 peeled back during a flight from Hilo to Honolulu.

Ten years ago: In Taegu, South Korea, a gas line exploded in the middle of an intersection crowded with morning traffic, killing 101 people.

Five years ago: Five people, targeted because of their race or ethnicity, were killed in a shooting rampage in suburban Pittsburgh; a suspect, Richard Baumhammers, was arrested. (He was later convicted and sentenced to death.)

One year ago: First photos of the Abu Ghraib prisoner abuse scandal were shown on CBS’ “60 Minutes II.” A Spanish judge indicted Amer Azizi, a Moroccan fugitive, on charges of helping to plan the Sept. 11 hijackings. The U.N. Security Council put terrorists, black marketeers and crooked scientists on notice that they faced punishment for trafficking in weapons of mass destruction. Cable giant Comcast Corp. dropped its two-month-old unsolicited bid for The Walt Disney Co.